- heptaphyllite
- \\|heptə+\ noun
Etymology: hepta- + phyllite: any of a group of micas (as muscovite and other light-colored micas) with seven metallic ions per ten oxygen and two hydroxyl ions — compare octaphyllite
Useful english dictionary. 2012.
heptaphyllite
Look at other dictionaries:
heptaphyllite — hep·ta·phyllite … English syllables
octaphyllite — |äktə+ noun Etymology: octa + phyllite : any of various micas (as biotite) in which there are eight cations for every ten oxygen and two hydroxyl ions compare heptaphyllite … Useful english dictionary
